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经营范围
发明名称
OPTICAL ATTENUATOR
摘要
申请公布号
AU531891(B2)
申请公布日期
1983.09.08
申请号
AU19810069367
申请日期
1981.04.10
申请人
FERRANTI LTD.
发明人
EVAN STUART CAMERON;JOHN MCLEOD;JOHN CAMPBELL PARKER
分类号
G02B5/04;G02B5/20;G02B26/02;(IPC1-7):G02F1/17;G02F1/19
主分类号
G02B5/04
代理机构
代理人
主权项
地址
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